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* elfxx-mips.c (mips_elf_calculate_relocation): Handle special
	'__gnu_local_gp' symbol used by gas -mno-shared.

	gas/ChangeLog
	* config/tc-mips.c (macro_build_lui): Use '__gnu_local_gp'
	instead of '_gp' for -mno-shared optimization.
	(s_cpload): Ditto.
	(s_abicalls): Document it in the comment.
	(md_show_usage): Document the -mno-shared option.

	gas/testsuite/ChangeLog
	* gas/mips/elf-rel23b.d: Use '__gnu_local_gp' instead of '_gp'
	for -mno-shared optimization.
	* gas/mips/elf-rel25a.d: Ditto.

	ld/testsuite/ChangeLog
	* ld-mips-elf/multi-got-no-shared-1.s,
	ld-mips-elf/multi-got-no-shared-2.s,
	ld-mips-elf/multi-got-no-shared.d: New tests.
	* ld-mips-elf/mips-elf.exp: Run them.
This commit is contained in:
Thiemo Seufer
2005-03-05 00:01:44 +00:00
parent 92862f42b5
commit bbe506e8ba
12 changed files with 129 additions and 12 deletions
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12
bfd/elfxx-mips.c
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@@ -3646,6 +3646,9 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
bfd_boolean local_p, was_local_p;
/* TRUE if the symbol referred to by this relocation is "_gp_disp". */
bfd_boolean gp_disp_p = FALSE;
/* TRUE if the symbol referred to by this relocation is
"__gnu_local_gp". */
bfd_boolean gnu_local_gp_p = FALSE;
Elf_Internal_Shdr *symtab_hdr;
size_t extsymoff;
unsigned long r_symndx;
@@ -3742,6 +3745,12 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
gp_disp_p = TRUE;
}
/* See if this is the special _gp symbol. Note that such a
symbol must always be a global symbol. */
else if (strcmp (*namep, "__gnu_local_gp") == 0)
gnu_local_gp_p = TRUE;
/* If this symbol is defined, calculate its address. Note that
_gp_disp is a magic symbol, always implicitly defined by the
linker, so it's inappropriate to check to see whether or not
@@ -3956,6 +3965,9 @@ mips_elf_calculate_relocation (bfd *abfd, bfd *input_bfd,
break;
}
if (gnu_local_gp_p)
symbol = gp;
/* Figure out what kind of relocation is being performed. */
switch (r_type)
{